{"product_id":"2pcs-ultrasonic-module-hc-sr04-distance-measuring-transducer-sensor","title":"2pcs Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor","description":"\u003cp\u003e\u003cspan style=\"font-size:22px;font-family:\" times new roman\u003e\u003cstrong\u003e\u003cu\u003eModule main technical parameters:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e1.Working Voltage : 5V(DC)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e2.Static current: Less than 2mA.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e3.Output signal: Electric frequency signal, high level 5V, low level 0V.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e4.Sensor angle: Not more than 15 degrees.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e5.Detection distance: 2cm-450cm.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e6.High precision: Up to 0.3cm\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e 7.Input trigger signal: 10us TTL impulse\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e8.Echo signal : output TTL PWL signal\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:22px;font-family:\" times new roman\u003e\u003cstrong\u003e\u003cu\u003eMode of connection:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e1.VCC\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e(T)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e(R)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e4.GND\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003eUse method:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003eSupply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e of this module is used as a switching output when anti-theft module, and without the feet when\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e ranging modules.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003eNote : the module should be inserted in the circuit before been power, which avoid producing\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e high level of misoperation;if not, then power again.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e Module Working Principle:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e 1.Adopt IO trigger through supplying at least 10us sequence of high level signal.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e2.The module automatically send eight 40khz square wave and automatically detect whether receive\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e the returning pulse signal.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e3.If there is signals returning, through outputting high level and the time of high level\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e continuing is the time of that from the ultrasonic transmitting to receiving. Test distance =\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px;font-family:\" times new roman\u003e (high level time * sound velocity (340M\/S) \/ 2.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-family:\" tt norms pro sans roboto arial helvetica sans-serif simsun align=\"start\"\u003e\u003cimg src=\"\" slate-data-type=\"image\"\u003e\u003cimg src=\"\" slate-data-type=\"image\"\u003e\u003cimg src=\"\" slate-data-type=\"image\"\u003e\u003cimg src=\"\" slate-data-type=\"image\"\u003e\u003cimg src=\"\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"AliExpress","offers":[{"title":"2PCs HC-SR04","offer_id":49004155764953,"sku":"2PCSHC-SR04","price":3.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/4878\/6393\/files\/S1e9469dda18a4ba6b5184b6015891f2bn.webp?v=1784884087","url":"https:\/\/www.ufunzai.com\/products\/2pcs-ultrasonic-module-hc-sr04-distance-measuring-transducer-sensor","provider":"Ufunzai","version":"1.0","type":"link"}